The original setting closest to the human body, best adapted to the various challenges of modern life, the secret weapon that can be refreshed even if you only sleep for three hours, R90 high-efficiency sleep method. R90 means repair the body and mind in 90 minutes. A complete sleep cycle is 90 minutes. Sleeping for a few cycles a week is far more important than sleeping a few hours a day. If we sleep very lightly all the time, then no matter how long we sleep, it is meaningless. R90 high-efficiency sleep method teaches you ...
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The original setting closest to the human body, best adapted to the various challenges of modern life, the secret weapon that can be refreshed even if you only sleep for three hours, R90 high-efficiency sleep method. R90 means repair the body and mind in 90 minutes. A complete sleep cycle is 90 minutes. Sleeping for a few cycles a week is far more important than sleeping a few hours a day. If we sleep very lightly all the time, then no matter how long we sleep, it is meaningless. R90 high-efficiency sleep method teaches you how to make good use of every 90 minutes to completely repair your body and mind. Even if the night before was partying, working overtime, chasing drama, working night shift, taking photos, etc.
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